Capacitor Machine

Introduction to the Different Types of Electrical Capacitor

An electrical capacitor is a type of electrical reservoir that stores and releases electric energy. This type of item is used in the production of many devices, such as amplifiers, computers, televisions, radios etc. You can find some of the components mentioned above in almost all electronic circuits.

 

Since they basically host an electric charge, their voltage and capacities can apply to a large variety of needs. Producers use a lot of materials to create capacitors according to the area of usage.

 

Ceramic

 

Usually, electrical capacitors are designed as sandwiches of insulators placed between 2 layers of metal. An insulator is made out of a material called “dielectric” and it determines the general behavior of the capacitor. The devices that have a ceramic dielectric have smaller values (they start at a couple of picofarads- the farad is the unit of capacitance) and can reach even a thousand picofarads. An interesting thing about them is that they have great capacitance stability when it comes to a large temperature range.

 

Tantalum

 

The items that need to fit a large capacitance value in a tiny space can easily use tantalum capacitors. They are polarized (one lead takes positive charges while the other one negative ones). Extra attention should be given in order not to wire the capacitor backwards or the polarity might destroy it. You can recognize a bad capacitor by the silvery fluid released.

 

Aluminum Electrolytic

 

This is used for the stronger applications and the power-supply filters. It is not very expensive and has a tolerance of 20%. This means that they normal value of the part can vary higher or lower than the value displayed on the label.

 

One of the most significant issues in this case is represented by the liquid inside, which can dry and prevent the capacitor from working. The liquid can also leak and destroy the rest of the components. Furthermore, the electrolytic capacitors can explode if they are connected in a wrong manner, they can leak current, do not have a long lifespan and do not resist to high temperatures.

 

Polyester Film

 

This type of electrical capacitors has a greater capacitance value and it is very reliable. Its capacitance increases when the temperature does, making it incompatible with sensitive circuits. These capacitors can be found in various locations and do not cost very much.

 

Silver Mica

 

This is also a great dielectric. Mica is a natural mineral which creates thin sheets. It has a very accurate part values, it is very reliable, but its price is a bit higher compared to other capacitors. It is used especially for the frequency-sensitive parts of the radio and audio circuits. In this case, the capacitance value starts at a couple of picofarads and goes up to very low microfarads.

 

Are you looking for a reliable provider of electrical capacitors? Yuhchang Electric Co., Ltd. would be the first choice of capacitor supplier for you.  With rich experienced and advanced technology, we insist to produce high quality electrical capacitor series to clients. Welcome to visit Yuhchang’s website to learn more information about our products. Feel free to contact with us for further details!

 

 

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What is Power Factor Regulator?

Power factor correction is a process that has to do with managing the essential traits of electric loads that are used to create a power factor of less than one. The main purpose of using power factor regulator is to ensure that the level of power transmission taking place is within safety limits set for the application involved. Power suppliers make use of power factor correction to ensure that home and public building systems are not overloaded, and that manufacturing facilities have an adequate flow of power to operate heavy machinery.

 

There are two basic ways of engaging in power factor correction. One approach relates to the management of power utilized at the end user level. With this application, a homeowner may utilize various devices to minimize or eliminate unnecessary power usage in the home. This may include the installation of such devices as energy saving appliances, or sensors that automatically turn lights off when no one is in the room.

 

A second approach to power factor correction involves the work of the power supplier to ensure the transmission network is functioning at optimum efficiency. This will mean ensuring that the level of power generated and distributed is within the safety limits for the network, and is not likely to overload one or more sections of the power grid. This approach often includes fail safe mechanisms that help to compensate when problems arise in one section of the grid, by containing the problem and not allowing it to spread to other sections.

 

There are both active and passive means of managing power factor regulators. The use of capacitor banks occurs with passive PFC and helps to correct nonlinear electrical loads and stabilize the flow of current. Active PFC usually employs a system that controls the amount of power utilized by a load, keeping the balance as close to unity as possible.

 

The advantages of power factor regulator apply to both the end user and to the supplier. For suppliers, adjusting the nature of the power flow to keep it within acceptable limits means less time, expense, and lost revenue resulting from system failures. End users who choose to engage in power factor regulator enjoy the benefit reduced power bills, as well as preventing extra wear and tear on electrical devices around the home or office.

 

YUHCHANG is a professional and experienced manufacturer of automatic power factor regulators. High quality electrical capacitor and capacitor bank series are also provided. If you need more information about Yuhchang capacitor supplier, welcome to visit our website and feel free to contact us!

 

Article Source: http://www.wisegeek.com/what-is-power-factor-correction.htm

 

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Introduction to the Different Types of Capacitors

A capacitor is a device used in the field of electronics that is capable of storing energy and sustaining one electric field.

 

It consists of a pair of surfaces that are conductive, usually in the form of sheets or plates, in a position to influence the total (i.e. the electric field of all the field lines that start from one electric device and connect to another) field separated by a medium that is dielectric or vacuum. These plates, subjected to a potential difference, acquire a given electric charge, one positive and the other negative, with the total charge of zero variation.

 

Although from the physical point of view a capacitor stores no charge or power, but simply mechanical energy that is latent; when introduced into a circuit it behaves in practice as an element that is able to store the electrical energy it receives during the charging period, the same energy yield during the period after discharge. Due to this particular characteristic, capacitors are widely used in the field of electronics to boost the capacity of electrical devices. There are a wide variety of capacitors available in the market and they are used for commercial as well as domestic purposes.

 

The different types of capacitors are as follows:

Variable capacitor – These capacitors typically consist of a dielectric parallel plate and encapsulated in glass. As their electric permittivity is unity, they have a very small capacity. They are used in radio and aviation radars because of which they are regarded as very important in the field of aviation.

 

Mica capacitors – The mica capacitors have several properties that make them suitable for things that require a dielectric capacitor. They suffer low losses, can be wrapped in thin sheets, withstands high temperatures and are not degraded by oxidation or moisture. Aluminum is deposited on one side of the mica capacitors, forming an armature. Several of these sheets are stacked alternately by welding the ends to each of the terminals. These capacitors work well at high frequencies and high voltages, but are expensive and are gradually being replaced by other types.

 

Paper capacitors – These capacitors consist of waxed paper dielectric, and are subjected to any other treatment that reduces their hygroscopic and increases isolation. They are made of two strips of paper that help to prevent the pores that may arise. They are very useful in devices that require handling high voltage electricity. The paper capacitors have applications in industrial environments.

 

Metalized film capacitors – They are also known as self-healing capacitors. When they are faced with an overload that exceeds the dielectric strength of the capacitor, the paper tears at some point, causing a short circuit between the plates, but this short causes high current density in the torn area. This current melts the thin aluminum layer surrounding the circuit, restoring the insulation between the plates.

 

Electrolytic capacitors – It is a type of capacitor that uses an electrolyte, which acts as a cathode. With proper tension, the electrolyte deposits an insulating layer (which is generally a very thin layer of aluminum oxide) on the second armature or anode, thus achieving very high capacities. They cannot be operated with AC power.

 

Varying dielectric capacitor – These types of capacitors have a movable armature which rotates about an axis. The profile of the armature is normally such that the capacitance change is proportional to the logarithm of the rotating angle. They are used in different industrial devices that require a lot of electricity.

 

Please visit newsmartcom.com, if you are looking for a capacitor for sale.

 

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Different Types of Capacitors

A capacitor is a type of electrical reservoir that stores and releases electric energy. This type of item is used in the production of many devices, such as amplifiers, computers, televisions, radios etc. You can find some of the components mentioned above in almost all electronic circuits.

Since they basically host an electric charge, their voltage and capacities can apply to a large variety of needs. Producers use a lot of materials to create capacitors according to the area of usage.

Ceramic

Usually, capacitors are designed as sandwiches of insulators placed between 2 layers of metal. An insulator is made out of a material called “dielectric” and it determines the general behavior of the capacitor. The devices that have a ceramic dielectric have smaller values (they start at a couple of picofarads- the farad is the unit of capacitance) and can reach even a thousand picofarads. An interesting thing about them is that they have great capacitance stability when it comes to a large temperature range.

Tantalum

The items that need to fit a large capacitance value in a tiny space can easily use tantalum capacitors. They are polarized (one lead takes positive charges while the other one negative ones). Extra attention should be given in order not to wire the capacitor backwards or the polarity might destroy it. You can recognize a bad capacitor by the silvery fluid released.

Aluminum Electrolytic

This is used for the stronger applications and the power-supply filters. It is not very expensive and has a tolerance of 20%. This means that they normal value of the part can vary higher or lower than the value displayed on the label.

One of the most significant issues in this case is represented by the liquid inside, which can dry and prevent the capacitor from working. The liquid can also leak and destroy the rest of the components. Furthermore, the electrolytic capacitors can explode if they are connected in a wrong manner, they can leak current, do not have a long lifespan and do not resist to high temperatures.

Polyester Film

This type of capacitors has a greater capacitance value and it is very reliable. Its capacitance increases when the temperature does, making it incompatible with sensitive circuits. These capacitors can be found in various locations and do not cost very much.

Silver Mica

This is also a great dielectric. Mica is a natural mineral which creates thin sheets. It has a very accurate part values, it is very reliable, but its price is a bit higher compared to other capacitors. It is used especially for the frequency-sensitive parts of the radio and audio circuits. In this case, the capacitance value starts at a couple of picofarads and goes up to very low microfarads.

Are you looking for a reliable provider of gold capacitors and multilayer ceramic capacitors? You are only one step away, click on the links to visit our website!

Article Source: http://EzineArticles.com/?expert=Tippfein_Klaus

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Capacitor Machine And Capacitor Winding Machine – Unitronic

Established in 1994, UNITRONIC is Taiwan’s professional capacitor machine supplier. UNITRONIC started the design of DC capacitor winding machine to lithium battery winding machine nowadays. Unitronic had over than 16 years of experiences in the field. With many years of efforts into the marketing, series of capacitor winding machines products are introduced into the European and American markets. Besides capacitor field, we can also design other kinds of automatic equipments and manufacture precise mechanical parts for customers. We continue to innovate our products to fulfill the present and future needs of our worldwide customers. If you need further information about our capacitor-winding machine, please feel free to contact us.

capacitor winding machine

capacitor winding machine

Address: 222-2, Chia-Tung Rd., Sec. 2, Changhua City, Taiwan, 500.
Website E-mail : contact@easywell.com.tw
TEL:             886-4-7363332      
FAX: 886-4-7363776

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